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001     874326
005     20210130004644.0
037 _ _ |a FZJ-2020-01374
041 _ _ |a English
100 1 _ |a Frielinghaus, Henrich
|0 P:(DE-Juel1)130646
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|e Corresponding author
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111 2 _ |a APS March Meeting 2020
|c Denver
|d 2020-03-02 - 2020-03-06
|w USA
245 _ _ |a Dynamics of polymeric additives in bicontinuous microemulsions adjacent to planar hydrophilic surfaces
260 _ _ |c 2020
336 7 _ |a Abstract
|b abstract
|m abstract
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|s 1584095905_24985
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336 7 _ |a Conference Paper
|0 33
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336 7 _ |a INPROCEEDINGS
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520 _ _ |a Close to a planar surface, lamellar structures are imposed upon otherwise bulk bicontinuous microemulsions. Thermally induced membrane undulations are modified by the presence of the rigid interface. While it has been shown that pure membrane dynamics are accelerated close to the interface, we observed nearly unchanged relaxation rates for membranes spiked with large amphiphilic diblock copolymers with respect to the bulk. An increase of the polymer concentration by a factor of 2–3 for the first and second surfactant membrane layers was observed. We interpret the reduced relaxation times as the result of an interplay between the bending rigidity and the characteristic distance of the first surfactant membrane to the rigid interface, which causes the hydrodynamic and steric interface effects described in Seifert’s theory. The influence of these effects on decorated membranes yields a reduction of the frequencies and an amplification of the amplitudes of long-wavelength undulations, which are in accordance to our experimental findings.
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536 _ _ |a 6215 - Soft Matter, Health and Life Sciences (POF3-621)
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650 2 7 |a Soft Condensed Matter
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650 1 7 |a Polymers, Soft Nano Particles and Proteins
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693 _ _ |a Forschungs-Neutronenquelle Heinz Maier-Leibnitz
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693 _ _ |a Forschungs-Neutronenquelle Heinz Maier-Leibnitz
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700 1 _ |a Lipfert, Frederik
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700 1 _ |a Holderer, Olaf
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700 1 _ |a Mattauch, Stefan
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700 1 _ |a Monkenbusch, Michael
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700 1 _ |a Arend, Nikolas
|0 P:(DE-Juel1)130509
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700 1 _ |a Richter, Dieter
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856 4 _ |u https://juser.fz-juelich.de/record/874326/files/APS%20--%20March%20--%202020%20--%20Abstract.pdf
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913 1 _ |a DE-HGF
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